Epson DFX-9000 Service Manual page 211

Epson DFX 9000
OC SENSOR BR UNIT
Disconnect the power cable and wait at least 5 minutes
W A R N I N G
for capacitors to drain before disassembling the
POWER UNIT. If you touch the POWER UNIT with
the power supplied, you may receive an electric shock.
Do not touch the motors immediately after using the
printer, or you may burn your hand. Allow the motors
to cool enough to work with them.
1. Remove the UPPER UNIT (p. 135)
2. Tilt up the rear of the PR MECHA ASY and support it using the tilt
bar. Refer to section 4.2.4.1 PR MECHA ASY, p. 149.
3. Release both the OC sensor 1 and OC sensor 2 cables from the two
cable clamps on the bottom rear of the printer.
4. Disconnect both the OC sensor 1 (CNOCS1: 3 Pin, Black) and OC
sensor 2 (CNOCS2: 3 Pin, Blue) cables from the connectors on the
SENSOR BOARD UNIT, and pull both cables outside the printer
mechanism through the lower hole in the SIDE FRAME, LEFT.
5. Release both cables from the cable clamp on the SIDE FRAME,
LEFT.
6. Remove the C.B.S. 3 × 6 screw that secures the OC SENSOR BR
UNIT, and remove it.
Be sure to connect the OC sensor 1 (Black connector)
and OC sensor 2 (Blue connector) cables to their
correct connectors on the SENSOR BOARD UNIT.
When installing the OC SENSOR BR UNIT, match the
positioning holes of the OC SENSOR BR UNIT with
the positioning dowels on the side frame.
Disassembly and Assembly
SENSOR BOARD UNIT
4)-1
CNOCS1 CNOCS2
Dowels
3)
Figure 4-88. OC SENSOR BR UNIT Removal
Sensors
[Front]
Reassembly
OC sensor 1
(Black
Connector)
OC sensor 2
(Blue
Connector)
[Rear]
5)
4)-2
Revision B
OC SENSOR
BR UNIT
6)-1
204